85d84da597bba6a36e1f89b137e843a09b4022515b9bd51a53a39a97b1325826

Analysis

max time kernel
152s
max time network
123s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
04/08/2023, 14:38

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General

Target

Upload/admin/modules/tools/mailerrors.php
Size

9KB
MD5

415f3d2493738a13ff72e3c6368864a3
SHA1

de2cef0eed136412ad3f0b58c70193a2f34999df
SHA256

f58727f36866e88f3b8e5ebe708f7ab8c8e53c9f5d49bdfbaf7d77d2f48822f5
SHA512

35f1501ce4facae1d19b4864a26098b9dafead73e2159ed1edfd3212b0efe2b18595a01c62af934673d6e24dae140c699f12eb9023230abf926174a83ef0b3e1
SSDEEP

192:1a4coiTY4oMoRY19TJkwBgA+Nm29TDYG0vectgA+Q7bDbNIFupgo8:1xcoiTY4oMoRY19TJkwBZ+PTDp0vecW7

Score

3^/10

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000_CLASSES\php_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000_CLASSES\php_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000_CLASSES\.php	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000_CLASSES\.php\ = "php_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000_CLASSES\php_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000_CLASSES\php_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000_CLASSES\php_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000_CLASSES\php_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1668	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1668	AcroRd32.exe
1668	AcroRd32.exe
1668	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2940 wrote to memory of 2952	2940	cmd.exe	29
PID 2940 wrote to memory of 2952	2940	cmd.exe	29
PID 2940 wrote to memory of 2952	2940	cmd.exe	29
PID 2952 wrote to memory of 1668	2952	rundll32.exe	30
PID 2952 wrote to memory of 1668	2952	rundll32.exe	30
PID 2952 wrote to memory of 1668	2952	rundll32.exe	30
PID 2952 wrote to memory of 1668	2952	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Upload\admin\modules\tools\mailerrors.php
1⤵
- Suspicious use of WriteProcessMemory
PID:2940
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Upload\admin\modules\tools\mailerrors.php
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2952
- - C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
    "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\Upload\admin\modules\tools\mailerrors.php"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:1668

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
e8a7218cc65558a5e277878305ffe539

SHA1
26448ef3b7145465f5b6e50e442665e2580f4cab

SHA256
4937b514a58bd7da4a13ef65975d2497bf6aabcc745699a8722039c8f249a34a

SHA512
eeb346e9ca46ba72a8b49de0682a05a6d9c279ddcf3513e8d84ff0e461e6a7e173532d6b52d896fbeb36f11f6c4a27aad5fec4198372d04dbf102aa43e0b88a5

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